73 lines
2.0 KiB
C++
73 lines
2.0 KiB
C++
/*
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Copyright (C) 2000 Paul Barton-Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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$Id$
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*/
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#ifndef __gtkmm2ext_auto_spin_h__
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#define __gtkmm2ext_auto_spin_h__
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#include <gtkmm.h>
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namespace Gtkmm2ext {
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class AutoSpin
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{
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public:
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AutoSpin (Gtk::Adjustment &adj, gfloat cr = 0, bool round_to_steps_yn = false);
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Gtk::Adjustment &get_adjustment() { return adjustment; }
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void use_left_as_decrement (bool yn) { left_is_decrement = yn; }
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void set_wrap (bool yn) { wrap = yn; }
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void set_climb_rate (gfloat cr) { climb_rate = cr; }
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void set_bounds (gfloat initial, gfloat low, gfloat high,
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bool with_reset = true);
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gint button_press (GdkEventButton *);
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gint stop_spinning (GdkEventButton *ignored_but_here_for_clicked);
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void start_spinning (bool decrementing, bool use_page);
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private:
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Gtk::Adjustment &adjustment;
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gfloat climb_rate;
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gfloat timer_increment;
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gfloat initial;
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unsigned int timer_calls;
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bool have_timer;
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bool need_timer;
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bool wrap;
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gint timeout_tag;
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bool left_is_decrement;
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bool round_to_steps;
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static const unsigned int initial_timer_interval;
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static const unsigned int timer_interval;
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static const unsigned int climb_timer_calls;
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void stop_timer ();
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static gint _timer (void *arg);
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gint timer ();
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bool adjust_value (gfloat increment);
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void set_value (gfloat value);
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};
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} /* namespace */
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#endif /* __gtkmm2ext_auto_spin_h__ */
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